OFFSET
1,1
COMMENTS
Column 6 of A248987
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +39*a(n-5) -39*a(n-6) -570*a(n-10) +570*a(n-11) +4091*a(n-15) -4091*a(n-16) -15591*a(n-20) +15591*a(n-21) +31408*a(n-25) -31408*a(n-26) -30261*a(n-30) +30261*a(n-31) +8974*a(n-35) -8974*a(n-36) +872*a(n-40) -872*a(n-41) +3008*a(n-45) -3008*a(n-46) -1024*a(n-50) +1024*a(n-51)
EXAMPLE
Some solutions for n=6
..0....0....5....4....0....1....0....2....3....6....6....0....0....6....3....5
..3....3....1....1....1....3....3....0....1....5....5....2....6....0....0....4
..3....0....3....2....1....6....0....6....5....0....5....1....3....6....1....4
..0....0....0....3....0....5....6....3....0....3....6....3....5....5....1....2
..4....2....1....0....3....5....6....4....6....6....3....4....6....3....0....5
..0....0....0....4....5....1....0....2....3....6....6....5....5....1....3....5
..3....3....1....1....1....3....3....5....6....0....5....2....6....0....5....4
..3....0....3....2....1....6....5....6....0....5....0....6....3....1....6....4
..0....0....5....3....0....5....6....3....0....3....6....3....5....0....1....2
..4....2....6....0....3....0....6....4....6....6....3....4....6....3....5....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 18 2014
STATUS
approved